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Browse, filter, and analyze 3 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US3216311A Non-contacting object measuring apparatus BULOVA RES AND DEV LAB Inc Expired / Lapsed 1961-03-29 1965-11-09 1981-03-29 0.0 yrs 2
US3202761A Waveform identification system BULOVA RES AND DEV LAB Inc Expired / Lapsed 1960-10-14 1965-08-24 1980-10-14 0.0 yrs 2
US2938166A Direct reading frequency meter BULOVA RES AND DEV LAB Inc Expired / Lapsed 1957-02-15 1960-05-24 1977-02-15 0.0 yrs 0